60 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low ... Complement: Post-strep ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
ANCA Associated Vasculitis ... anti-GBM) 10%: - Low ... Complement Levels ... - Normal Complement ... Renal Crisis, IgA Vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... When to Consider Vasculitis ... SMALL VESSEL VASCULITIS ... against MPO • Complement ... (Low levels mixed
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... - Urine sodium low ... and uric acid low ... #Differential #Algorithm ... #Diagnosis #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... Differential #Diagnosis #Algorithm ... #nephrology #sodium ... #low #uricacid
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... Differential #Diagnosis #Algorithm ... causes #potassium #low ... #nephrology
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
Differential Diagnosis Algorithm ... Aneurysm, Hemorrhage, Vasculitis ... Pseudotumor Cerebri, Low ... Diagnosis #Causes #algorithm
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Differential Diagnosis Algorithm ... • Low Magnesium ... High Phosphate, Low ... Differential #Diagnosis #Algorithm ... #nephrology #calcium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... vomiting) • Low ... Differential #Diagnosis #Algorithm ... #nephrology #low
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
factor level • Low ... serum C4 complement ... • IgA vasculitis ... • Vasculitis ... #rheumatology #vasculitis